CN115491480A - Hydrogen storage bottle type container heat treatment system - Google Patents
Hydrogen storage bottle type container heat treatment system Download PDFInfo
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- CN115491480A CN115491480A CN202211124477.1A CN202211124477A CN115491480A CN 115491480 A CN115491480 A CN 115491480A CN 202211124477 A CN202211124477 A CN 202211124477A CN 115491480 A CN115491480 A CN 115491480A
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- hydrogen storage
- storage bottle
- heat treatment
- pickling
- heat
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- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 158
- 239000001257 hydrogen Substances 0.000 title claims abstract description 158
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 157
- 238000003860 storage Methods 0.000 title claims abstract description 157
- 238000010438 heat treatment Methods 0.000 title claims abstract description 102
- 238000005554 pickling Methods 0.000 claims abstract description 70
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 238000010791 quenching Methods 0.000 claims abstract description 39
- 230000000171 quenching effect Effects 0.000 claims abstract description 39
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000002912 waste gas Substances 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000005406 washing Methods 0.000 claims abstract description 23
- 238000004140 cleaning Methods 0.000 claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 18
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 7
- 241001330002 Bambuseae Species 0.000 claims abstract description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 7
- 239000011425 bamboo Substances 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims description 16
- 238000004321 preservation Methods 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 10
- 238000005496 tempering Methods 0.000 claims description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- 238000005242 forging Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 229920002125 Sokalan® Polymers 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 2
- 239000000706 filtrate Substances 0.000 claims description 2
- 239000004584 polyacrylic acid Substances 0.000 claims description 2
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims description 2
- 235000010234 sodium benzoate Nutrition 0.000 claims description 2
- 239000004299 sodium benzoate Substances 0.000 claims description 2
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 2
- 235000015393 sodium molybdate Nutrition 0.000 claims description 2
- 239000011684 sodium molybdate Substances 0.000 claims description 2
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 claims description 2
- 230000003449 preventive effect Effects 0.000 claims 6
- 235000021110 pickles Nutrition 0.000 claims 2
- 239000000110 cooling liquid Substances 0.000 claims 1
- 238000005202 decontamination Methods 0.000 claims 1
- 230000003588 decontaminative effect Effects 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 238000010583 slow cooling Methods 0.000 claims 1
- 239000002341 toxic gas Substances 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000003546 flue gas Substances 0.000 abstract description 2
- 230000009931 harmful effect Effects 0.000 abstract 1
- 239000000047 product Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000007654 immersion Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000007669 thermal treatment Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning In General (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention discloses a hydrogen storage bottle type container heat treatment system which comprises a rust removal device, a pickling device, a primary normalizing device, a secondary normalizing device, a quenching device, a water washing device and a waste gas treatment device. The hydrogen storage bottle is through bottle rust cleaning, the pickling bottle, normalizing for the first time, normalizing for the second time, accomplish heat treatment work after quenching and washing processing, the heat treatment technology of adoption is energy-concerving and environment-protective, the metal work piece that heat treatment obtained has high hardness, high strength, can prolong the life of metal product, the hydrogen storage bottle uses waste gas treatment device to handle waste gas at the heat treatment overall process, waste gas discharges after environmental protection, can reduce the harmful effects that toxic gas causes to staff's health in the on-the-spot flue gas, the pickling application program of pickling device has been optimized, save the loaded down with trivial details procedure of staff direct contact hydrogen storage bottle when the hydrogen storage bottle is put into and is taken out the pickling and erect the section of thick bamboo, reduce the potential safety hazard of staff direct contact pickling liquid.
Description
Technical Field
The invention relates to the technical field of heat treatment, in particular to a heat treatment system for a hydrogen storage bottle type container.
Background
Heat treatment refers to a metal hot working process in which a material is in a solid state, heated, kept warm, and cooled to obtain a desired structure and properties, and is one of the important processes in mechanical manufacturing, and compared with other working processes, heat treatment generally does not change the shape and the overall chemical composition of a workpiece, but imparts or improves the usability of the workpiece by changing the microstructure inside the workpiece or changing the chemical composition of the surface of the workpiece, and is characterized by improving the intrinsic quality of the workpiece, which is not generally visible to the naked eye. In order to make metal workpiece possess required mechanical property, physical property and chemical property, besides reasonably selecting material and various forming processes, the heat treatment process is necessary, steel is the most extensively used material in mechanical industry, its microstructure is complex, and can be controlled by heat treatment, so that the heat treatment of steel is the main content of metal heat treatment, in addition, the mechanical property, physical property and chemical property of aluminium, copper, magnesium, titanium and their alloy also can be changed by heat treatment so as to obtain different service properties.
The hydrogen storage bottle is a container for storing hydrogen, and the hydrogen storage bottle type container can be subjected to a heat treatment process in the production process so as to achieve the purpose of improving the strength and the hardness of a bottle body; the existing heat treatment process is simple, although metal heat treatment can be completed quickly, the metal hydrogen storage bottle type container product has a common effect during heat treatment, so that the hydrogen storage bottle type container cannot achieve ideal high hardness and high strength, the effect on prolonging the service life of metal products is common, waste gas generated in the whole heat treatment process contains toxic gas, high-temperature waste gas is directly discharged to cause poor environmental protection in the heat treatment processing process of the hydrogen storage bottle type container, and the toxic gas has certain influence on the health of field workers.
Disclosure of Invention
The invention mainly aims to provide a heat treatment system for a hydrogen storage bottle type container, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a system for thermally treating a hydrogen storage cylinder vessel, the system comprising: rust cleaning device, pickling installation, normalizing device, secondary normalizing device, guenching unit, washing unit and exhaust treatment device once, the pickling installation includes that the pickling stands a section of thick bamboo, shifts out slide and pickling support, the inner wall fixed mounting that the pickling stands a section of thick bamboo has the slide of shifting out, the inside that the pickling stands a section of thick bamboo is provided with the pickling support.
The pickling support comprises a supporting plate, a positioning support column, a lifting pull rod, a shifting-out pull ring and a clamping assembly, the lifting pull rod is fixedly mounted on the upper surface of the supporting plate, the shifting-out pull ring is fixedly mounted at the upper end of the lifting pull rod, the positioning support column is fixedly mounted at the center of the circle of the upper surface of the supporting plate, clamping assemblies are arranged on two sides of the positioning support column, the clamping assembly comprises a guiding slide box, a guiding slide block, a clamping support arm, an anti-slip pad, a rotating bearing, a positioning lead screw, a locking hand wheel and a positioning screw sleeve, the guiding slide box is movably mounted inside the guiding slide box, the positioning screw sleeve is arranged on the surface of the guiding slide block in a penetrating mode, the positioning lead screw is arranged inside the positioning screw sleeve in a penetrating mode, the inner wall of the guiding slide box is fixedly provided with the rotating bearing, the locking hand wheel is fixedly mounted at one end, located at the positioning lead screw, of the outside of the guiding slide box, the clamping support arm is fixedly provided with the clamping support arm, the anti-slip pad is rotatably connected with the rotating bearing, and the positioning lead screw sleeve is connected with the upper surface of the supporting plate, and the positioning screw sleeve is connected with the positioning lead screw sleeve.
A heat treatment system for a hydrogen storage bottle type container comprises the following specific treatment processes:
s1, derusting the bottle body, namely immersing the bottle body of the hydrogen storage bottle into an antirust liquid for carrying out antirust treatment for 5-8min to finish the derusting treatment of a metal workpiece, filling a sufficient amount of derusting liquid from the bottle mouth of the hydrogen storage bottle when the bottle body of the hydrogen storage bottle is immersed into the antirust liquid, carrying out the derusting treatment on the inner wall part of the hydrogen storage bottle, taking the hydrogen storage bottle out of the derusting liquid, standing the bottle mouth part downwards for 10-15min to finish pouring the residual derusting liquid in the hydrogen storage bottle;
s2, pickling the bottle body, after the step S1 is finished, adding the prepared pickling solution into the cleaning container, completely immersing the hydrogen storage bottle into the pickling solution for pickling, wherein the pickling time is 10-20min, then putting the hydrogen storage bottle into clean water for repeatedly washing for 3-5 times, then putting the hydrogen storage bottle into an oven at 60-80 ℃ for drying for 10-30min, and removing rust before heat treatment, pickling and washing after heat treatment of the hydrogen storage bottle body, so that the surface of the hydrogen storage bottle can be ensured to be free of burrs, and the attractiveness of the hydrogen storage bottle product and the hand scratch prevention effect during use can be improved;
s3, normalizing for the first time, namely after the step S2 is finished, putting the hydrogen storage bottle to be thermally treated into a thermal treatment furnace, heating the thermal treatment furnace to 600-650 ℃, then preserving heat for 5-8 h, after the heat preservation time is finished, continuously controlling the thermal treatment furnace to heat, heating to 900 +/-30 ℃ at the heating rate of 100-120 ℃/h, preserving heat for 6-12h, and finally hanging down a trolley to cool to 400-450 ℃;
s4, secondary normalizing, namely after the step S3 is finished, filling the hydrogen storage bottle after the primary normalizing into a heat treatment furnace at the temperature of 360 +/-10 ℃ for secondary heat treatment, preserving heat for 8-12h, then heating to 800 +/-20 ℃ at the heating rate of 100-120 ℃/h, preserving heat for 38-50h, cooling to be lower than 150 ℃, and finally, lifting the hydrogen storage bottle out of the heat treatment furnace to finish the heat treatment work after forging of the hydrogen storage bottle;
s5, quenching, namely feeding the hydrogen storage bottle in the step S4 into a quenching chamber for quenching, slowly cooling the hydrogen storage bottle in quenching oil to 100-120 ℃ for 30-40min, and after the hydrogen storage bottle is removed from the quenching chamber, feeding the hydrogen storage bottle into a tempering furnace for tempering, wherein the adopted heat treatment process is energy-saving and environment-friendly, and the metal workpiece obtained by heat treatment has high hardness and high strength and can prolong the service life of the metal product;
s6, water washing treatment, namely after the step S4 is finished, placing the quenched hydrogen storage bottle into a cleaning solution to clean stains generated during heat treatment, after the bottle body of the hydrogen storage bottle is cleaned, firstly placing the bottle mouth part of the hydrogen storage bottle downwards for 5-10min, and then placing the hydrogen storage bottle into an oven at 80-100 ℃ to dry for 10-20min;
s7, waste gas treatment, namely treating the waste gas by using a waste gas treatment device in the steps S3-S5, collecting the waste gas generated after tempering and quenching through a collecting cover, sending the collected waste gas into a spray tower for pre-dedusting and pre-cooling, then enabling the waste gas to enter a condensation exchanger for cooling and discharging, discharging the waste gas after environmental protection treatment, and reducing the adverse effect of toxic gas in site smoke on the health of workers.
Preferably, the antirust liquid in step S1 is composed of 20% sodium benzoate, 30% anhydrous carbonic acid, 20% polyacrylic acid, 20% flake caustic soda, and 10% sodium molybdate.
Preferentially, the rust removal treatment time in the step S1 is controlled to be 7min, and the hydrogen storage bottle is taken out of the rust removal liquid and kept stand for 10min.
Preferentially, the acid washing time in the step S2 is controlled to be 10min, and then the obtained product is placed into clean water to be repeatedly washed for 3 times and then is placed into an oven with the temperature of 80 ℃ to be dried for 10min.
Preferentially, the temperature of the heat treatment furnace is raised to 600 ℃ in the step S3, then the heat preservation is carried out for 5 hours, after the heat preservation time is finished, the temperature is continuously raised from the heat treatment furnace, the temperature is raised to 930 ℃ at the temperature raising speed of 100 ℃/h, the heat preservation is carried out for 6 hours, finally, the trolley is hung down, the water is cooled to 400 ℃, the hydrogen storage bottle is loaded into the heat treatment furnace for the second heat treatment when the temperature is 370 ℃ in the step S4, the heat preservation is carried out for 10 hours, then the temperature is raised to 820 ℃ at the temperature raising speed of 120 ℃/h, the temperature is kept for 40 hours, then the hydrogen storage bottle is cooled to be lower than 150 ℃, and finally, the hydrogen storage bottle is hung out of the heat treatment furnace, and the heat treatment work after forging of the hydrogen storage bottle is finished.
Preferentially, the hydrogen storage bottle in the step S5 is placed in quenching oil to be slowly cooled to 100 ℃, the cooling time is 30min, the standing time of the hydrogen storage bottle in the step S6 is controlled to be 10min, and then the hydrogen storage bottle is placed in an oven at 100 ℃ to be dried for 10min.
Compared with the prior art, the invention has the following beneficial effects: the hydrogen storage bottle finishes heat treatment after bottle body rust removal, bottle body pickling, primary normalizing, secondary normalizing, quenching and water washing treatment, the adopted heat treatment process is energy-saving and environment-friendly, a metal workpiece obtained by heat treatment has high hardness and high strength, the service life of a metal product can be prolonged, the hydrogen storage bottle uses a waste gas treatment device to treat waste gas in the whole heat treatment process, the waste gas is discharged after environment-friendly treatment, the adverse influence of toxic gas in field flue gas on the health of workers can be reduced, the hydrogen storage bottle body is subjected to rust removal, acid pickling and water washing after heat treatment, the surface of the hydrogen storage bottle can be ensured to be free of burrs, and the attractiveness of the hydrogen storage bottle product and the scratch-proof effect during use can be improved; the pickling use procedure of the pickling device is optimized, if the mode of fixing the hydrogen storage bottle by using the pickling bracket is utilized, the immersion liquid is convenient to stand for the hydrogen storage bottle, the pickling liquid can be poured in the process of taking out the hydrogen storage bottle by the standing immersion liquid, the tedious procedure that a worker directly contacts the hydrogen storage bottle is omitted when the hydrogen storage bottle is placed into and taken out of the pickling standing cylinder, and the potential safety hazard that the worker directly contacts the pickling liquid is reduced.
Drawings
FIG. 1 is a schematic process flow diagram of the present invention;
FIG. 2 is a schematic diagram of the use of the apparatus of the present invention;
FIG. 3 is a schematic structural view of a pickling apparatus according to the present invention;
FIG. 4 is a cross-sectional view of the acid pickling cylinder of the present invention;
FIG. 5 is a schematic diagram of the acid-washed stent structure of the present invention;
FIG. 6 is a schematic view of a clamping assembly according to the present invention.
In the figure: 1. a rust removal device; 2. a pickling device; 3. a primary normalizing device; 4. a secondary normalizing device; 5. a quenching device; 6. a water washing device; 7. an exhaust gas treatment device; 8. pickling to obtain a vertical cylinder; 9. moving out the slide way; 10. pickling the bracket; 11. a support pallet; 12. positioning the strut; 13. lifting the pull rod; 14. removing the pull ring; 15. a clamping assembly; 16. a guide slide box; 17. a guide slide block; 18. clamping the support arm; 19. a non-slip mat; 20. rotating the bearing; 21. adjusting a position screw rod; 22. locking a hand wheel; 23. adjusting the threaded sleeve; 24. and (4) a filtrate tank.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
A system for thermally treating a hydrogen storage cylinder vessel, the system comprising: the rust removal device 1, the pickling device 2, the primary normalizing device 3, the secondary normalizing device 4, the quenching device 5, the water washing device 6 and the waste gas treatment device 7, wherein the rust removal device 1 is of a water pool structure, rust removal liquid is filled in the water pool, a hydrogen storage bottle body can be immersed in the rust removal liquid for rust removal treatment for 5-8min, namely, the rust removal treatment on a metal workpiece is completed, when the hydrogen storage bottle body is immersed in the rust removal liquid, a sufficient amount of rust removal liquid is filled from the bottle mouth of the hydrogen storage bottle, the rust removal treatment is performed on the inner wall part of the hydrogen storage bottle, after the hydrogen storage bottle is taken out of the rust removal liquid, the bottle mouth part is kept standing for 10-15min, the residual rust removal liquid in the hydrogen storage bottle is poured, the pickling device 2 is of a pickling cylinder structure, when in pickling, prepared pickling liquid is firstly added into a cleaning container, the hydrogen storage bottle is completely immersed in the pickling liquid and pickled, the acid cleaning time is 10-20min, then the hydrogen storage bottle to be heat treated is placed in a heat treatment furnace after being repeatedly washed for 3-5 times in clean water and then is dried for 10-30min at the temperature of 60-80 ℃, a primary normalizing device 3 is in a heat treatment furnace structure, the hydrogen storage bottle to be heat treated is placed in the heat treatment furnace during primary heat treatment, the heat treatment furnace is heated to the temperature of 600-650 ℃, then the heat preservation time is kept for 5-8 h, after the heat preservation time is finished, the temperature is continuously raised from the heat treatment furnace, the hydrogen storage bottle after primary normalizing is heated to 900 +/-30 ℃ at the temperature raising speed of 100-120 ℃/h, the temperature is kept for 6-12h, finally a trolley is hung down to be cooled to the temperature of 400-450 ℃, a secondary normalizing device 4 is in a heat treatment furnace structure, during secondary heat treatment, the hydrogen storage bottle after primary normalizing is placed in the heat treatment furnace for secondary heat treatment at the temperature of 360 +/-10 ℃ for 8-12h, then the hydrogen storage bottle is heated to the temperature of 800 +/-20 ℃ at the temperature raising speed of 100-120 ℃/h, the heat preservation is carried out for 38-50h, then the hydrogen storage bottle is cooled to be lower than 150 ℃, finally the hydrogen storage bottle is lifted out of a heat treatment furnace, the heat treatment work after forging of the hydrogen storage bottle is finished, a quenching device 5 is of a quenching chamber structure, the hydrogen storage bottle is conveyed into the quenching chamber for quenching during quenching, then the hydrogen storage bottle is slowly cooled to be 100-120 ℃ in quenching oil, the cooling time is 30-40min, finally the hydrogen storage bottle is moved out of the quenching chamber and enters a tempering furnace for tempering, a water washing device 6 is of a water tank structure, cleaning liquid is added into the tank, the hydrogen storage bottle after quenching is placed into cleaning liquid for cleaning the stains generated during heat treatment, after the hydrogen storage bottle body is cleaned, the opening part of the hydrogen storage bottle is placed downwards for 5-10min, then the hydrogen storage bottle is placed into an oven at 80-100 ℃ for drying for 10-20min, a waste gas treatment device 7 is of a spray tower structure, the waste gas treatment device is used for treating waste gas during the first normalizing, the waste gas generated after collecting the waste gas through a collecting cover and then is conveyed into a spray tower for cooling and pre-cooling, and pre-cooling and discharging the waste gas from a pre-cooling exchanger after the first normalizing and quenching.
The pickling device 2 comprises a pickling vertical cylinder 8, a shifting-out slide 9 and a pickling support 10, the shifting-out slide 9 is fixedly installed on the inner wall of the pickling vertical cylinder 8, the pickling support 10 is arranged inside the pickling vertical cylinder 8, the pickling support 10 comprises a support supporting plate 11, a positioning support column 12, a lifting pull rod 13, a shifting-out pull ring 14 and a clamping assembly 15, a lifting pull rod 13 is fixedly installed on the upper surface of the support supporting plate 11, the shifting-out pull ring 14 is fixedly installed at the upper end of the lifting pull rod 13, the positioning support column 12 is fixedly installed at the center of the circle of the upper surface of the support supporting plate 11, the clamping assembly 15 is arranged on the two sides of the positioning support column 12 on the upper surface of the support supporting plate 11, the clamping assembly 15 comprises a guiding slide box 16, a guiding slide block 17, a clamping support arm 18, an anti-slip pad 19, a rotating bearing 20, a shifting lead screw 21, a locking hand wheel 22 and a shifting threaded sleeve 23, a guiding slide 17 is movably installed inside the guiding slide box 16, a shifting screw sleeve 23 is installed on the surface of the guiding slide box, a shifting screw sleeve 21, a supporting plate 18 is connected with a supporting plate 11, a supporting plate support arm 22, and a supporting plate 18 fixed surface of the guiding slide 16 is connected with a supporting plate 11, and a supporting plate 18 fixed surface of the guiding slide sleeve 23, and a supporting plate 11, and a supporting plate 18 fixed surface of the guiding slide sleeve 21, and a supporting plate 18 connected with a supporting plate 11.
Wherein the hydrogen storage bottle is made of metal steel, the volume is 55-200L, the outer diameter of the gas bottle is 350-450mm, the weight of the bottle body is controlled at 10-50kg, and the hydrogen storage volume is 15-50m 3 In the pickling process, the prepared pickling solution is added into the cleaning container, the hydrogen storage bottle is completely immersed in the pickling solution for pickling, and acid is put into the hydrogen storage bottleIn the process of washing the cylinder, firstly taking out the pickling bracket 10 from the pickling vertical cylinder 8, then inverting the hydrogen storage bottle, inverting the mouth of the hydrogen storage bottle and sleeving the hydrogen storage bottle on the positioning support column 12, wherein the lower end of the mouth of the hydrogen storage bottle is supported on the upper surface of the support supporting plate 11, then rotating the locking hand wheel 22 to drive the positioning screw rod 21 to rotate at the rotating bearing 20, driving the clamping support arm 18 to move towards the hydrogen storage bottle by the positioning screw sleeve 23 in threaded connection with the positioning screw rod 21 until the clamping support arm 18 tightly clamps and fixes the hydrogen storage bottle by using the anti-slip pad 19, finally placing the hydrogen storage bottle into the pickling vertical cylinder 8 through the pickling bracket 10, conveniently erecting immersion liquid for the hydrogen storage bottle by using the mode that the pickling bracket 10 fixes the hydrogen storage bottle, and the erecting immersion liquid can pour pickling liquid in the process of taking out the hydrogen storage bottle, and the complicated procedure that a worker directly contacts the hydrogen storage bottle when placing the hydrogen storage bottle into and taking out the pickling vertical cylinder 8 is omitted, thereby reducing the potential safety hazard that the worker directly contacts the pickling liquid; during the first normalizing, the hydrogen storage bottle to be heat treated is placed into a heat treatment furnace, the heat treatment furnace is heated, then the heat is preserved, after the heat preservation time is finished, the heat treatment furnace is continuously controlled to be heated, and finally the trolley is hung down to be cooled to a certain temperature; when the bottle body is derusted, the bottle body of the hydrogen storage bottle is immersed in the rust-proof liquid for rust-proof treatment, when the bottle body of the hydrogen storage bottle is immersed in the rust-proof liquid, the inner wall part of the hydrogen storage bottle is derusted, after the hydrogen storage bottle is taken out from the rust-proof liquid, the bottle mouth part is kept standing downwards and the residual rust-proof liquid in the hydrogen storage bottle is poured, and the bottle body of the hydrogen storage bottle is derusted before heat treatment, pickled and washed with water after heat treatment, so that the surface of the hydrogen storage bottle can be ensured to be free of burrs, and the attractiveness of the hydrogen storage bottle product and the scratch-proof effect during use can be improved; during quenching, the hydrogen storage bottle is conveyed into a quenching chamber for quenching, and the hydrogen storage bottle is slowly cooled by quenching oil; during the second normalizing, the hydrogen storage bottle after the second normalizing is filled into a heat treatment furnace for second heat treatment, then heat preservation is carried out, then temperature rise is carried out, the hydrogen storage bottle is lifted out of the heat treatment furnace after heat preservation for a period of time till the hydrogen storage bottle is cooled to be lower than 150 ℃, and the heat treatment work after forging is completed; during water washing treatment, putting the hydrogen storage bottle into cleaning liquid to clean stains generated during heat treatment, and drying after the hydrogen storage bottle body is cleaned; the hydrogen storage cylinder utilizes the waste gas treatment device to treat the waste gas in the heat treatment process,the waste gas generated after tempering and quenching is collected by the collecting cover and then sent into the spray tower for pre-dedusting and pre-cooling, then the waste gas is discharged after entering the condensing exchanger for cooling and cooling, the waste gas is discharged after environmental protection treatment, the adverse effect of toxic gas in site smoke on the health of workers can be reduced, the hydrogen storage bottle completes heat treatment after bottle body rust removal, bottle body pickling, primary normalizing, secondary normalizing, quenching and water washing treatment, the adopted heat treatment process is energy-saving and environment-friendly, the metal workpiece obtained by heat treatment has high hardness and high strength, and the service life of the metal product can be prolonged.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A system for heat treating a hydrogen storage cylinder vessel, the system comprising: rust cleaning device (1), acid cleaning device (2), one normalizing device (3), secondary normalizing device (4), guenching unit (5), washing unit (6) and exhaust treatment device (7), rust cleaning device (1) is the pond structure, contains rust cleaning liquid in the pond, can dip the hydrogen storage bottle body in the rust cleaning liquid and carry out rust cleaning treatment, acid cleaning device (2) is for standing pickling section of thick bamboo structure, and when the pickling, add the pickle of preparation earlier in the washing container, dip the hydrogen storage bottle completely in the pickle and carry out the pickling, and acid cleaning device (2) include pickling section of thick bamboo (8), shift out slide (9) and pickling support (10), the inner wall fixed mounting of pickling section of thick bamboo (8) shifts out slide (9), the inside of the vertical pickling cylinder (8) is provided with a pickling bracket (10), the primary normalizing device (3) is of a heat treatment furnace structure, the hydrogen storage bottle is placed in the heat treatment furnace, the heat treatment furnace is heated and subjected to primary heat treatment, the secondary normalizing device (4) is of a heat treatment furnace structure, the hydrogen storage bottle is placed in the heat treatment furnace, the heat treatment furnace is heated and subjected to secondary heat treatment, the quenching device (5) is of a quenching chamber structure, the hydrogen storage bottle can be sent into the quenching chamber for quenching treatment when being quenched, the water washing device (6) is of a water tank structure, cleaning liquid is added into the tank, the hydrogen storage bottle can be placed in a water washing tank for decontamination treatment, the waste gas treatment device (7) is of a spray tower structure, and treating the waste gas by using a waste gas treatment device in the first normalizing, second normalizing and quenching treatment stages.
2. The system for heat treatment of a hydrogen storage bottle-type container as claimed in claim 1, wherein the time for immersing the bottle body of the hydrogen storage bottle in the rust preventive liquid is 5 to 8 minutes, whereby the rust removal treatment of the metal workpiece can be completed, and when the bottle body of the hydrogen storage bottle is immersed in the rust preventive liquid, a sufficient amount of the rust preventive liquid is poured in from the bottle mouth of the hydrogen storage bottle, the rust preventive treatment is performed on the inner wall portion of the hydrogen storage bottle, and after the hydrogen storage bottle is taken out from the rust preventive liquid, the bottle mouth portion is left standing for 10 to 15 minutes, and the pouring of the residual rust preventive liquid in the hydrogen storage bottle is completed.
3. The hydrogen storage bottle type container heat treatment system according to claim 1, wherein the pickling bracket (10) comprises a support plate (11), a positioning pillar (12), a lifting pull rod (13), a shifting pull ring (14) and a clamping assembly (15), the lifting pull rod (13) is fixedly mounted on the upper surface of the support plate (11), the shifting pull ring (14) is fixedly mounted on the upper end of the lifting pull rod (13), the positioning pillar (12) is fixedly mounted at the center of the upper surface of the support plate (11), the clamping assemblies (15) are respectively arranged on two sides of the positioning pillar (12) on the upper surface of the support plate (11), the clamping assembly (15) comprises a guide slide box (16), a guide slide block (17), a clamping support arm (18), an anti-skid pad (19), a rotating bearing (20), a position-adjusting screw sleeve (21), a locking hand wheel (22) and a position-adjusting screw sleeve (23), the guide slide box (16) is movably mounted inside, the position-adjusting screw sleeve (23) is arranged on the surface of the guide slide block (17), the position-adjusting screw sleeve (23), the position-adjusting screw sleeve (21) is arranged on the inner wall of the fixed slide box (16), the fixed screw rod (16) is arranged on the fixed bearing (16), and the position-adjusting screw rod (21) is arranged on one end of the fixed screw rod (16) The utility model discloses a positioning guide device, the up end fixed mounting of direction slider (17) has centre gripping support arm (18), the fixed surface of centre gripping support arm (18) installs slipmat (19), positioning lead screw (21) rotates with rolling bearing (20) to be connected, the lower surface of direction smooth box (16) is connected with the upper surface fixed connection of support plate (11), filtrate groove (24) have been seted up to the upper surface of support plate (11), positioning swivel nut (23) and direction slider (17) fixed connection, positioning lead screw (21) and positioning swivel nut (23) threaded connection.
4. The system for heat-treating a hydrogen storage bottle container as claimed in claim 3, wherein the hydrogen storage bottle body is immersed in the pickling solution for pickling for 10 to 20min, and then repeatedly rinsed in clean water for 3 to 5 times and then dried in an oven at 60 to 80 ℃ for 10 to 30min.
5. The system for heat-treating a hydrogen storage bottle-type container as claimed in claim 4, wherein during the primary heat treatment, the hydrogen storage bottle to be heat-treated is placed in a heat-treating furnace, the temperature of the heat-treating furnace is raised to 600-650 ℃, then the heat is preserved for 5-8 h, after the heat-preserving time is finished, the temperature is continuously raised from the heat-treating furnace, the temperature is raised to 900 +/-30 ℃ at a temperature-raising rate of 100-120 ℃/h, the heat is preserved for 6-12h, and finally the hydrogen storage bottle is lifted off from the trolley and cooled to 400-450 ℃.
6. The system for heat-treating a hydrogen storage bottle-type container as claimed in claim 1, wherein in the second heat treatment, the hydrogen storage bottle after the first normalizing is charged into the heat treatment furnace at 360 ± 10 ℃ for the second heat treatment, the heat is preserved for 8-12 hours, then the temperature is raised to 800 ± 20 ℃ at a temperature rise rate of 100-120 ℃/hour, the temperature is preserved for 38-50 hours, then the hydrogen storage bottle is cooled to a temperature lower than 150 ℃, and finally the hydrogen storage bottle is lifted out of the heat treatment furnace, thereby completing the post-forging heat treatment of the hydrogen storage bottle.
7. The system for heat-treating a hydrogen storage bottle-type container as recited in claim 1, wherein the hydrogen storage bottle is fed into a quenching chamber for quenching during quenching, then the hydrogen storage bottle is slowly cooled in quenching oil to 100 to 120 ℃ for 30 to 40min, and finally the hydrogen storage bottle is tempered in a tempering furnace after being removed from the quenching chamber.
8. The system as claimed in claim 1, wherein the quenched hydrogen storage bottle is placed in a cleaning solution to clean stains generated during the heat treatment, after the bottle body of the hydrogen storage bottle is cleaned, the bottle mouth of the hydrogen storage bottle is placed downwards for 5-10min, and then the hydrogen storage bottle is placed in an oven at 80-100 ℃ to be dried for 10-20min.
9. The system of claim 1, wherein in the step of treating the waste gas, the waste gas generated by tempering and quenching is collected by the collecting hood and then sent to the spray tower for pre-dedusting and pre-cooling, and finally the waste gas is cooled in the condensing exchanger and discharged.
10. The heat treatment system for hydrogen storage bottle type containers as claimed in claim 1, wherein the rust-proof liquid in the rust removal treatment of the bottle body consists of 20% sodium benzoate, 30% anhydrous carbonic acid, 20% polyacrylic acid, 20% caustic soda flakes and 10% sodium molybdate, the rust removal treatment time is controlled to be 7min, and the hydrogen storage bottle is taken out of the rust-proof liquid and kept still for 10min; controlling the acid washing time in the acid washing bottle body treatment to be 10min, then putting into clear water for repeatedly washing for 3 times, and then putting into an oven at 80 ℃ for drying for 10min; the temperature of the heat treatment furnace is raised to 600 ℃ in the first normalizing treatment, then the heat is preserved for 5 hours, after the heat preservation time is finished, the temperature is continuously raised from the heat treatment furnace, the temperature is raised to 930 ℃ at the heating rate of 100 ℃/h, the heat is preserved for 6 hours, finally, a trolley is hung down, the water is cooled to 400 ℃, in the second normalizing treatment, the hydrogen storage bottle is loaded into the heat treatment furnace for second heat treatment at the temperature of 370 ℃, the heat is preserved for 10 hours, then the temperature is raised to 820 ℃ at the heating rate of 120 ℃/h, the temperature is preserved for 40 hours, then the hydrogen storage bottle is cooled to be lower than 150 ℃, in the process, cooling liquid is used for cooling treatment, and finally, the hydrogen storage bottle is hung out of the heat treatment furnace, and the post-forging heat treatment work of the hydrogen storage bottle is finished; and (3) placing the hydrogen storage bottle in quenching oil for slow cooling to 100 ℃ in normalizing treatment, wherein the cooling time is 30min, the standing time of the hydrogen storage bottle in water washing treatment is controlled to be 10min, and then placing the hydrogen storage bottle in an oven at 100 ℃ for drying for 10min.
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| CN112372238A (en) * | 2020-09-29 | 2021-02-19 | 浙江蓝能燃气设备有限公司 | High-pressure ultrahigh-pressure hydrogen storage bottle type container and manufacturing method thereof |
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| JPH0920920A (en) * | 1995-07-04 | 1997-01-21 | Kawasaki Steel Corp | Production of steel for medium-and high-temperature pressure vessel |
| WO2008123397A1 (en) * | 2007-03-29 | 2008-10-16 | Sumitomo Metal Industries, Ltd. | Case-hardened steel pipe excellent in workability and process for production thereof |
| CN108203802A (en) * | 2017-12-29 | 2018-06-26 | 魏龙飞 | A kind of metal heating processing technology |
| CN111235369A (en) * | 2018-11-29 | 2020-06-05 | 南京理工大学 | Method for improving hydrogen embrittlement resistance of 304 austenitic stainless steel |
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